| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 4 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | Finland | 1 | |
| #5 | France | 1 | |
| #6 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Agriculture | |
| #3 | Packaging and shipping | |
| #4 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Horticulture | |
| #2 | Wood saws | |
| #3 | Veneer production | |
| #4 | Cranes | |
| #5 | Dredging |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wahlers Hans | 8 |
| Publication | Filing date | Title |
|---|---|---|
| WO9200238A1 | Holding device for a working appliance, especially a harvester | |
| EP0384426A1 | Feed roller for a device for processing tree trunks | |
| DE3905217A1 | Feed roll for an apparatus for working tree trunks | |
| DE3730057C1 | Feed roller for a device for processing tree trunks | |
| DE2447921A1 | Tractor implement for clearing forest areas - has two clearing tines which can be swivelled from their normal working position |